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Accident description
Last updated: 18 August 2017
Status:Final
Date:Friday 15 March 1974
Time:08:09
Type:Silhouette image of generic S210 model; specific model in this crash may look slightly different
Sud Aviation SE-210 Caravelle 10B3
Operator:Sterling Airways
Registration: OY-STK
C/n / msn: 266
First flight: 1970
Total airframe hrs:13773
Engines: 2 Pratt & Whitney JT8D-9
Crew:Fatalities: 0 / Occupants: 4
Passengers:Fatalities: 15 / Occupants: 92
Total:Fatalities: 15 / Occupants: 96
Airplane damage: Destroyed
Airplane fate: Written off (damaged beyond repair)
Location:Tehran-Mehrabad Airport (THR) (   Iran)
Crash site elevation: 1208 m (3963 feet) amsl
Phase: Taxi (TXI)
Nature:International Scheduled Passenger
Departure airport:Tehran-Mehrabad Airport (THR/OIII), Iran
Destination airport:KÝbenhavn-Kastrup Airport (CPH/EKCH), Denmark
Flightnumber:NB901
Narrative:
The Caravelle was backtracking runway 29L when the crew were asked to expedite taxiing and clear the runway on the run-up area because of traffic on finals. While initiating a left turn at the end of the runway the right main gear collapsed. The right wing fuel tank ruptured and the escaping fuel ignited while the Caravelle slid for 90 m before coming to rest.
Evacuation of the aircraft was carried out through exits on the left side of the aircraft.

Probable Cause:

Causes: The right main landing gear failed as a result of the propagation of fatigue cracks in the lower right hand candelabre of
RIB 44.

Sources:
» A Benefit Analysis for Cabin Water Spray Systems and Enhanced Fuselage Burnthrough Protection (CAA PAPER 2002/04)
» Aircraft Accident Report AIG/04B/80


Follow-up / safety actions

DCA Denmark issued 6 Safety Recommendations

Show all AD's and Safety Recommendations

Photos

photo of Sud Aviation SE-210 Caravelle 10B3 OY-STK
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Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Tehran-Mehrabad Airport to KÝbenhavn-Kastrup Airport as the crow flies is 3634 km (2271 miles).

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Caravelle

  • 282 built
  • 38th loss
  • 20th fatal accident
  • 17th worst accident (at the time)
  • 21st worst accident (currently)
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 Iran
  • 5th worst accident (at the time)
  • 24th worst accident (currently)
» safety profile